4012219 has 4 divisors (see below), whose sum is σ = 4110120. Its totient is φ = 3914320.

The previous prime is 4012213. The next prime is 4012241. The reversal of 4012219 is 9122104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4012219 - 2¹⁷ = 3881147 is a prime.

It is a super-2 number, since 2×4012219² = 32195802607922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4012196 and 4012205.

It is not an unprimeable number, because it can be changed into a prime (4012213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48889 + ... + 48970.

It is an arithmetic number, because the mean of its divisors is an integer number (1027530).

Almost surely, 2^4012219 is an apocalyptic number.

4012219 is a deficient number, since it is larger than the sum of its proper divisors (97901).

4012219 is an equidigital number, since it uses as much as digits as its factorization.

4012219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97900.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 4012219 is about 2003.0524206820. The cubic root of 4012219 is about 158.9015780007.

The spelling of 4012219 in words is "four million, twelve thousand, two hundred nineteen".